About 33 results
https://drivepatents.com/patents/1014125 · 6 Apr 2011
A battery alarm for use with a battery assembly is provided, the battery alarm including a first activation component, a signaling component, and an output component. The first activation component is configured to activate the alarm upon disengagement of ...
https://drivepatents.com/patents/1072630 · 9 Nov 2005
A battery pack may include at least one battery cell, a discharge switch coupled to the at least one battery cell, and monitoring and control circuitry responsive to a position of a trigger of an associated cordless power tool to provide a control signal t...
https://drivepatents.com/patents/1074318 · 7 Sep 2005
In order to prevent a battery pack (9) from being overly discharged during use in a power tool (1), a discharge voltage limit circuit (10) is provided. The circuit (10) disconnects the battery pack (9) from the motor (12) when the voltage of the battery pa...